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| Phone | ZTE Z331 | Ericsson T28 World | LG F9200 | Sonim XP5plus |
| Current U.S. Carriers | (none) | (none) | (none) | AT&T |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? | ? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
? |
128 x 160 pixels LCD (STN) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 950 mAh | 500 mAh | 950 mAh | 3,500 mAh |
| Processor | ? | ? | ? | 2 GHz Snapdragon 662 |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 3 megapixel | - | Yes | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | - | 1080p HD |
| Front Camera | - | - | - | - |
| Weight |
4 oz (113g) |
3.14 oz (89g) |
4.74 oz (134g) |
9.7 oz (275g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
4.34" x 1.97" x 0.97" (110 x 50 x 24.6 mm) |
5.85" x 2.59" x 0.83" (149 x 66 x 21 mm) |
| Form Factor | Clamshell | Flip | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | - | GPRS | LTE (Cat 13) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | - | - | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX9 (dishwasher) |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | Yes |
| Hearing Aid Compatible | Yes | - | - | Yes |
| Multiple Languages | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
- | - |
Yes Classic Audio |
| Mobile Hotspot | - | - | - | Yes |
| USB |
Yes Micro-USB |
- | - |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | - | Yes | Yes |
| Ringer ID | Yes | - | - | Yes |
| Voice Dialing | - | Yes | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | - | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | Yes | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | - | Yes |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | - | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | Yes | - | Yes | - |
| Instant Messaging | Yes | - | Yes | - |
| MMS | Yes | - | Yes | Yes |
| Text Messaging Templates | Yes | - | - | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Music Player | Yes | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | - | Yes | Yes |
| Voice Memo | Yes | - | Yes | Yes |
| Software | ||||
| Games | Yes | Yes | Yes | - |
| Java (J2ME) | Yes | - | Yes | - |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | - | Yes | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| ZTE Z331 | Ericsson T28 World | LG F9200 | Sonim XP5plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Ericsson T28 World | LG F9200 | Sonim XP5plus |
